Home / 25,029.29-34,483.77-20,545.94

Finding the Fourth Proportional to 25,029.29, 34,483.77 and 20,545.94

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Solution

The fourth proportional to 25,029.29, 34,483.77 and 20,545.94 is: 28,306.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,029.29 : 34,483.77 = 20,545.94 : x
  2. Step 2: Convert to fraction form
    25,029.29/34,483.77 = 20,545.94/x
  3. Step 3: Cross multiply
    25,029.29x = 34,483.77 × 20,545.94
  4. Step 4: Simplify right side
    25,029.29x = 708,501,296.97
  5. Step 5: Solve for x
    x = 708,501,296.97/25,029.29
  6. Step 6: Final answer
    x = 28,306.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.